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Finger-digit compatibility in Arabic numeral processing.

Samuel Di Luca1, Alessia Granà, Carlo Semenza

  • 1Université Catholique de Louvain, Louvain-la-Neuve, Belgium.

Quarterly Journal of Experimental Psychology (2006)
|July 29, 2006
PubMed
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Finger counting strategies, not a left-to-right mental number line, better predict performance when using all ten fingers for numerical tasks. This highlights how embodied cognition influences number representation.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human-Computer Interaction

Background:

  • Numerical cognition research often explores mental number line representations.
  • The role of embodied cognition, particularly finger counting, in numerical processing is increasingly recognized.

Purpose of the Study:

  • To investigate the compatibility between finger-digit response mappings and numerical representation.
  • To compare the influence of a left-to-right mental number line versus finger-counting strategies on performance.

Main Methods:

  • Participants identified Arabic digits using 10 keys with all 10 fingers.
  • Finger-digit mapping direction was manipulated (global and within-hand).
  • Performance was assessed under different mapping congruencies.

Related Experiment Videos

Main Results:

  • A mapping congruent with finger-counting strategies yielded better performance than a left-to-right mapping.
  • This effect was consistent across palm-down and palm-up hand postures.
  • Results support the influence of finger-counting on numerical representation.

Conclusions:

  • Finger-counting strategies significantly impact numerical mental representation and processing.
  • Embodied cognition, specifically finger use, plays a crucial role in number tasks.
  • Findings challenge purely abstract mental number line models.